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December 11, 2025Applied SciencesOpen Access

Parameter Calibration and Experimentation of the Discrete Element Model for Mixed Seeds of Vetch (Vicia villosa) and Oat (Avena sativa) in a Pneumatic Seed Drilling System

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Authors

YFYu FuDWDewei WangXWXufeng Wang

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Overview

Experimental calibration of a discrete element model improves seed delivery efficiency for Vicia villosa and Avena sativa.

Key Points

  • The aim is to calibrate and validate a discrete element model for mixed seeds of Vicia villosa and Avena sativa.
  • The physical properties of Vicia villosa and Avena sativa seeds were measured.
  • Contact parameters calibrated through various tests including uniaxial compression and inclined sliding.
  • Experiments on packing angle and seed interactions were conducted with 23 different treatment combinations.
  • The optimal contact parameters were determined with a simulated packing angle of 1.32% error from measured values.
  • Deviations in seed distribution consistency between simulations and experiments ranged from 1.24% to 3.94%.
  • The study provides solid evidence for EDEM–Fluent model's effectiveness in mixed sowing systems.

Cite This Study

Fu et al. (2025) studied this question.

synapsesocial.com/papers/694019342d562116f28f6fd4https://doi.org/10.3390/app152413048
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